From 12 mins (& part 3 includes some hotsprings):
http://www.bbc.co.uk/iplayer/episode/b08r78bv/mexico-earths-festival-of-life-series-1-2-forests-of-the-maya
Mike
http://www.bbc.co.uk/iplayer/episode/b08r78bv/mexico-earths-festival-of-life-series-1-2-forests-of-the-maya
Mike